Tomasz Kowaltowski <tk@ic.unicamp.br> wrote:} compilers-owner@lists.iecc.com wrote:} > [Algol W was somewhere between Algol 60 and Pascal, with records and} > defined I/O, and no call by name. It was different enough from its} > predecessors to be called a language. -John]} I have the impression that Algol W was designed so that it could be} parsed using simple precedence grammars defined by Wirth and Weber as a} generalization of operator precedence grammars.

In the 70s there was an implementation in META2 for the DECsystem10.
Boy, was META2 a can of worms. :)